| helper T cell 
 
 T cell with CD4 receptor that recognizes antigens on the surface of a virus-infected cell and secretes lymphokines that stimulate B cells and killer T cells;
 helper T cells are infected and killed by the AIDS virus
 • Syn:
 helper cell, CD4 T cell, CD4 cell
 • Hypernyms:
 T cell, T lymphocyte
 
 
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